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Power Platform Community / Forums / Power Automate / brief runs vs lengthy ...
Power Automate
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brief runs vs lengthy runs

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Posted on by 65

I have a flow that syncs two SharePoint lists. The process is a bit inefficient, as it involves

  • building an array of all items from a source list (approx. 4800 items)
  • then building an array of all items from the target list (approx. 4800 items)
  • then creating a intersection of the two datasets to determine what's already in sync
  • then looping through the target array output to delete items not in the intersection
  • then looping through the target array output to create new or modified items not in the intersection

but, it works!

 

I have two versions of this flow:

1) a Button flow

2) a Scheduled flow

 

The Button flow completes in 2.5 hours, give or take a few minutes.

The very same flow started on a Schedule requires anywhere from 12 to 36 hours.

 

Who can explain this?

 

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